Because of accidentally eating a piece of Peach Blossom Spell paper, Ye Xiu exchanged souls with a stray white fox he often fed. After the exchange, he accidentally met Han Wenqing, an old friend he hadn't seen for many years. The fox was brought home and adopted by Han Wenqing because it had a talisman on it. While looking for a way to transform back into a human, Ye Xiu also gradually discovered that the person he thought he was competing with when he was a student actually liked himself, not his classmate Yu Wenzhou...
Concept: Love is a matter of two souls